User manual JBL L1

[. . . ] An important (often overlooked) step Your sales receiptshouldbe stored in a safeplace. ltestablishes wfienyou boughtthe loudspeakers (for warrantyvalidation) how and muchyoupaidfor them (for nsurancepurposes). Also please ake a minuteto fill out the enclosed customer proflecardand mailit back to us. purchased lfyou have Ll speakers, the next sectonand skip beginon page4, PLACEMENT. ATTACHING SCRE\ryS AND BASE(L, L5, , / &L7ONLp The moldedbaseprovidedwith the L3, L5 andL7 are not only intended enhance speaker's to the appearance, to sablzetlre but speaker well. After rcmovingthemfrom the carcons, your L3, L5 or L7 lay speakers their back on a on soft surhce suchas carpeting. [. . . ] Available dealen s ableto conductthe it maximumpower andfrequency bandwidthof your amplifier or receiver. multiHoweve[ any insulated, strandedcopperwire maybe used, providedit is of the proper gauge (thickness). The to easiest obtain is ordinary lampcord (alsocalled "zipcord'), available hardware at stores. and home improvement The minimumsizeof wire to usedepends the lengthofthe on and wire betweenthe amptifier your L Series Speakers. ; I I The followingchart showsthe maxmumlengths differentwire for gauges measured as onewoyfrom |youq amplfier the speakerl. Beforehookingup the prepared wires, makesurethat speaker l2 gauge your receive[power amplifier Special speakercable or integrated amplifieris turned off. Look on the backof your amp/ Pr. eparing the hookup wire spiral. Firstdetermine disnce the wire is exceptonall), thick ( 12+ (red) and- (black)speaker betweenthe most distant gauge zipcordor special speaker output terminals both rht for speaker your stereosysand interconnectcable), dividethe !lf you want to conceal the strandsinto three equalbundles 3. Connectboth conductos of wires alongbaseboards, . speaker wire to the eachspeaker this could be quite a few fee 5. At this point you needto idenspeaker output terminals. Now makethe hookup wires between tifr a visualdifference Note: ln somecases, amp/ the for bothspeakersths lenglh, the two twisted wire bundles receiverhastwo completesets evenif one L SeriesLoudthat makeup eachspeaker wire. terminals, marked of speaker is speaker muchcloserto your '4" Thismaybe donein various and"B". lf you'rejust conamplifier than the othen You on waysdepending the type and nectingone set of speakers, we mayneedto loosely up part coil brandof wire you're using. Difyou suggest usethe "A" set of of one channel's behind wire the ferentiating markscanbe a terminals. if one speakeris quite amplifier differentcolor wire (copperor 4. EachL Series speaker alsohas closeandthe other far away "silYer"), strandof yarn in one a + -termicorresPonding from the ampor receiver. . . thin, raisedribs on conductoG nals their backsides. lt is on keeping HOWEVER, both wire one paft of the outer insulation, importantto hook botJrspeakor a printed"+" markingon one IT"d"rlcal n"to In effecq are reconrnerdirg ers up to the left and right amp/ we of the insulators. lt does not receiverspeaker terminalsin an which yidd lss En O-ftB bss wi a4 wire garges makeanydifference which of identical manner(+red to +red otm ld oerthe dsarces+ecificed Ttre galges the two strandsof wire go to and-black to -black) so that 0. indrd represent I 82[rm 0. | 72tn and (+) and (-) on the speakers and they are"in phase". Follow 0. as amplifieri long as both speak2 C"ra" *nn. aucroto aswire &mger Drawing6 closely when coners are connectedidentically. lf nectingthe speaker icrses In odrc'words, the lowerthe garye you mix up thb + andntrrer, the thirj<ertlp wire. l4 gauge WIRE LENGTH Upto20ft Upto30ft Upto50ft Almost any length GAUGEz OF COPPERWIRE l6 gauge lengths samewill help the proper snalbalance maintain and imaging. For example, the followingentry in an amplifier owner'smanual. . . both channels driven, 20-20kHz with less than0. 02%THD B) 160wattsRMSinto 4'ohms. bothchannels driven, 20-20kHz with less than0. 02%THD Part B indicates that the amplifer canhandle 4-ohmcombined impedances createdby two sets of speakers. [. . . ] Speaker wire to that speaker recdyon the speakers sincethe PLAYon the musicsource at hasbecomedisconnected over-spnry could be harmfulto the comPonent either the speaker the or L Series'speaker cones. GENTLYturn up the volume amp/receiven applycleanerto a soft ragandthen control until you hearsound wipe it onto the cabine 3. One of the connections from both L Series speakers. To removedustfrom the grille betweensoundsourceandamp/ (lf one or both channels do cloth, usea vacuumwith a brush receiveris faultyor hasbecome not producesound, consult attachmenSpotsmaybe disconnected. [. . . ]